Alert archive / Tennessee / Tornado Watches in 2013
Tornado Watch 567
The Storm Prediction Center issued this tornado watch at Nov 17, 2013, 4:30 PM CST for 11 counties in Tennessee. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 17, 2013, 4:30 PM CST (22:30 UTC)
- Expired
- Nov 17, 2013, 8:25 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Benton County, TN, Cheatham County, TN, Davidson County, TN, Dickson County, TN, Houston County, TN, Humphreys County, TN, Macon County, TN, Montgomery County, TN, Robertson County, TN, Stewart County, TN, Sumner County, TN
The radar
The Ft Campbell radar (KHPX), 44 km from the middle of the area, began a volume at 22:33 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 4:31 PM CST | Severe Thunderstorm Warning | OHX | Montgomery, Stewart | 44 min |
| Nov 17, 4:44 PM CST | Tornado Warning | OHX | Montgomery, Stewart | 31 min |
| Nov 17, 5:06 PM CST | Severe Thunderstorm Warning | OHX | Houston, Montgomery, Stewart | 39 min |
| Nov 17, 6:05 PM CST | Severe Thunderstorm Warning | OHX | Robertson, Sumner | 40 min |
| Nov 17, 6:07 PM CST | Tornado Warning | OHX | Robertson, Sumner | 38 min |
| Nov 17, 6:36 PM CST | Severe Thunderstorm Warning | OHX | Macon, Robertson, Sumner, Trousdale | 24 min |
| Nov 17, 7:38 PM CST | Severe Thunderstorm Warning | OHX | Jackson, Macon, Overton, Putnam, Smith | 37 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 69 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 391 m²/s²
- 0-3 km storm-relative helicity
- 476 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 2:06 AM CST | Mesoscale Discussion | SPC | Crockett, Dyer, Gibson, Lake, Lauderdale, Obion and 2 more | 84 min |
| Nov 17, 10:17 AM CST | Mesoscale Discussion | SPC | Dyer, Gibson, Henry, Lake, Obion, Stewart and 1 more | 118 min |
| Nov 17, 10:43 AM CST | Tornado Watch | SPC | Carroll, Crockett, Dyer, Gibson, Henry, Lake and 3 more | 8 hr |
| Nov 17, 11:57 AM CST | Mesoscale Discussion | SPC | Carroll, Dyer, Gibson, Henry, Lake, Obion and 1 more | 93 min |
| Nov 17, 1:34 PM CST | Mesoscale Discussion | SPC | Cheatham, Clay, Davidson, Dickson, Houston, Humphreys and 8 more | 56 min |
| Nov 17, 2:43 PM CST | Mesoscale Discussion | SPC | Dyer, Henry, Lake, Obion, Weakley | 62 min |
| Nov 17, 3:46 PM CST | Mesoscale Discussion | SPC | Crockett, Dyer, Gibson, Henry, Lake, Lauderdale and 3 more | 89 min |
| Nov 17, 5:16 PM CST | Mesoscale Discussion | SPC | Clay, Fentress, Jackson, Macon, Overton, Pickett and 4 more | 59 min |
Nearby
Tornado Watches in Tennessee, 2013Every tornado watch in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.